harg >> axelrod: tonight, to russia from above. the exploding meteor and the the exploding meteor and the shockwave heard around the world. ( screaming ) tony guida is tracking the aftermath of a very close encounter. the family of oscar pistorius says it will fight the charge of premeditated murder. kelly cobiella has the latest on the double amputee olympian 22 accused of killing his girlfriend. 100 americans die every day from overdoses of prescription pain killers. >> so some days you're taking 22el b pills.f >> yes.r >> reporter: mark strassmann speaks with an addicted executive. and manuel bojorquez has the story of this american teenager who is the youngest women's world slalom champion in nearly four decades. captioning sponsored by cbs this is the "cbs evening news." >> axelrod: good evening. we begin tonight with thatth meteor that exploded overnt russia. scientists now say it was even bigger and heavier than they first thought, 55 feet long and weighing 10,000 tons. it was moving at a speed of 40,000 miles per hour when